What question did this study set out to answer?

The aim is to explore the synthesis of carbenes through the integration of hypervalent iodine with diazo compounds and sulfoxonium ylides.

March 18, 2026Chemical Communications6 citations

Advances in Umpolung Annulations with Hypervalent Iodine Diazos and Sulfoxonium Ylides

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JHJiawei HeGuangdong Pharmaceutical University SZSongling ZouGuangdong Pharmaceutical University DQDanni QiuGuangdong Pharmaceutical University

Key Points

The aim is to explore the synthesis of carbenes through the integration of hypervalent iodine with diazo compounds and sulfoxonium ylides.
Synthesis of diazo compounds and sulfoxonium ylides
Investigation of thermal and photochemical reactions
Application of transition-metal catalysis for carbene generation
Successful generation of carbenes from diazo compounds
Enhanced efficiency by incorporating hypervalent iodine fragments
Potential applications in complex organic synthesis

Abstract

As versatile carbene precursors, diazo compounds and sulfoxonium ylides generate carbenes or metal–carbenes under thermal, photochemical, or transition‑metal catalysis, whereas installing a hypervalent iodine fragment at the carbon center converts...

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Advances in Umpolung Annulations with Hypervalent Iodine Diazos and Sulfoxonium Ylides

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